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1.
The rational number \(\frac { -21 }{ 28 } \) in standard form is
2.
The rational number \(\frac { 12 }{ 40 } \) in standard 40 form is
3.
Which of the following is a positive rational number?
4.
Which of the following is a negative rational number?
5.
if \(\frac { -8 }{ -9 } \) = \(\frac { -16 }{ ? } \), then ? =
6.
if \(\frac { -3 }{ -5 } \) = \(\frac { 9 }{ ? } \), then ? =
7.
if \(\frac { -4 }{ 7 } \) = \(\frac { ? }{ 14 } \), then ? =
8.
if \(\frac { -7 }{ 11 } \) = \(\frac { 14 }{ ? } \), then ? =
9.
if \(\frac { 4 }{ 5 } \) = \(\frac { 12 }{ ? } \), then ? =
10.
If \(\frac { 3 }{ 4 } \) = \(\frac { ? }{ 12 } \), then ? =